Narrow Results by:

Subject Specific Filters:

  1. Family:                  

    Adelgidae (6)
    Cicadidae (1)

Image Specific Filters:

  1. Descriptor:           (show all)

    Infestation (99)
    Damage (94)
    Adult(s) (48)
    Control (23)
    Feature(s) (17)

  1. Commodity:         (show all)

    Conifer (235)
    Misc. Pests (32)
    Hardwood (30)
    Trees (30)
    General Entomology (13)

Gender:

Female (3)
Pair (3)

Image Setting:

Field (222)
Laboratory (27)
Museum (4)

  1. View:                     

    Aerial (2)
    Close-up (2)
    Ventral / Adaxial / Front (1)

Person in Image:

Yes (3)

  1. Author:                  (show all)

    Whitney Cranshaw (37)
    Leslie J. Mehrhoff (25)
    Great Smoky Mountains National Park Resource Management Archive (24)
    Pennsylvania Department of Conservation and Natural Resources - Forestry Archive (19)
    Chris Evans (18)

Sizes Available:

5 sizes(239)
4 sizes(83)
3 sizes(12)

Images taken in United States

Remove Filters: Insects(X) Hemiptera(X) Terminal, Tip, Stem and Shoot Insects(X) Landscape(X)
334 Images of 7 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Image Subject Name Scientific Name Description
5485663 hemlock woolly adelgid Adelges tsugae
5488707 hemlock woolly adelgid Adelges tsugae hemlock mortality caused by hemlock wooly adelgid in the Great Smoky Mountains
5471648 hemlock woolly adelgid Adelges tsugae
5471638 hemlock woolly adelgid Adelges tsugae
5471641 hemlock woolly adelgid Adelges tsugae
5471642 hemlock woolly adelgid Adelges tsugae
5471643 hemlock woolly adelgid Adelges tsugae
5471644 hemlock woolly adelgid Adelges tsugae
5471646 hemlock woolly adelgid Adelges tsugae
5471647 hemlock woolly adelgid Adelges tsugae
5471649 hemlock woolly adelgid Adelges tsugae
5477160 balsam woolly adelgid Adelges piceae
5477161 balsam woolly adelgid Adelges piceae
5477162 balsam woolly adelgid Adelges piceae
5477163 balsam woolly adelgid Adelges piceae
5477166 balsam woolly adelgid Adelges piceae
5477172 balsam woolly adelgid Adelges piceae
5477173 balsam woolly adelgid Adelges piceae
5477178 balsam woolly adelgid Adelges piceae
5477152 balsam woolly adelgid Adelges piceae
5477153 balsam woolly adelgid Adelges piceae
5477154 balsam woolly adelgid Adelges piceae
5477151 balsam woolly adelgid Adelges piceae
1669002 periodical cicada Magicicada septendecim cast skins of 17 yr. "locust"
5445870 hemlock woolly adelgid Adelges tsugae
5477155 balsam woolly adelgid Adelges piceae
5477156 balsam woolly adelgid Adelges piceae
5477157 balsam woolly adelgid Adelges piceae
5477158 balsam woolly adelgid Adelges piceae
5212012 cooley spruce gall adelgid Adelges cooleyi 6/30/07; On a small spruce tree in the park. Caused by Aphid-like insects that cause the plant to produce these characteristic galls.
0886018 periodical cicada Magicicada septendecim Exuvium of nymph showing powerful front legs
1241746 balsam woolly adelgid Adelges piceae Swelling (gouting) around buds and branch nodes.
1593004 cooley spruce gall adelgid Adelges cooleyi Wool-covered adelgids on their alternate host, Douglas-fir. 
1593055 eastern spruce gall adelgid Adelges abietis Older galls
5445869 hemlock woolly adelgid Adelges tsugae
5445873 hemlock woolly adelgid Adelges tsugae 03/2011; egg mass; immature crawler emerging from egg mass; settled crawlers to the right (black with white fringe).
0795072 balsam woolly adelgid Adelges piceae crawler
5018073 hemlock woolly adelgid Adelges tsugae crawler
1123027 eastern spruce gall adelgid Adelges abietis Overwintering immatures in spring
1123026 cooley spruce gall adelgid Adelges cooleyi Overwinting immatures in early spring
5445209 cooley spruce gall adelgid Adelges cooleyi Galls on terminals of Engelmann spruce
5445208 cooley spruce gall adelgid Adelges cooleyi Adults swollen with eggs on underside of spruce terminals
1546186 balsam woolly adelgid Adelges piceae
5458351 balsam woolly adelgid Adelges piceae Damage in the form of swollen, deformed branches.
5449453 hemlock woolly adelgid Adelges tsugae An adult hemlock woolly adelgid, Adelges tsugae, removed from its host plant and cleaned for imaging. Host: Tsuga canadensis
5449454 hemlock woolly adelgid Adelges tsugae Host: Tsuga canadensis
5449455 hemlock woolly adelgid Adelges tsugae Settled on host plant
5449456 hemlock woolly adelgid Adelges tsugae
5449457 hemlock woolly adelgid Adelges tsugae
1748047 hemlock woolly adelgid Adelges tsugae
5445207 cooley spruce gall adelgid Adelges cooleyi Late stage nymphs within spruce gall
5445206 cooley spruce gall adelgid Adelges cooleyi early stage nymphs within spruce galls
5445204 cooley spruce gall adelgid Adelges cooleyi
5445205 cooley spruce gall adelgid Adelges cooleyi with eggs
5445203 cooley spruce gall adelgid Adelges cooleyi
5443235 cooley spruce gall adelgid Adelges cooleyi Galls in initial stage of opening prior ro disprsal of the Cooley spruce gall adelgids
5443237 cooley spruce gall adelgid Adelges cooleyi Gall broken open to show developing Cooley spruce gall adelgids
5443238 cooley spruce gall adelgid Adelges cooleyi Cross-section of gall with developing Cooley spruce gall adelgids
1748046 hemlock woolly adelgid Adelges tsugae
1293002 hemlock woolly adelgid Adelges tsugae Photo taken in lab at Clemson University - sample from Oconee County, SC.
4836003 pine leaf adelgid Pineus pinifoliae winged adult with reddish eggs under wings can be found on previous year's needles
4836011 eastern spruce gall adelgid Adelges abietis new galls
3225077 hemlock woolly adelgid Adelges tsugae
2721074 balsam woolly adelgid Adelges piceae Clingman's Dome Category: Damage 1 stand killed - Great Smokey Mountains National Park
2254013 cooley spruce gall adelgid Adelges cooleyi aphid mass covered with white waxy coating,
2253068 balsam woolly adelgid Adelges piceae note white appearance on tree bole
2252063 cooley spruce gall adelgid Adelges cooleyi on young douglas fir
1173002 cooley spruce gall adelgid Adelges cooleyi Cooley spruce gall adelgid
0907011 pine leaf adelgid Pineus pinifoliae feeding results in flagged lateral shoot tips that begin to appear in mid-summer
0795073 balsam woolly adelgid Adelges piceae killed trees
0717007 cooley spruce gall adelgid Adelges cooleyi This is as the gall would appear in early summer or late fall. It would appear green earlier in the summer.
1325030 cooley spruce gall adelgid Adelges cooleyi
1325022 cooley spruce gall adelgid Adelges cooleyi winged adults emergin from spruce gall
1325023 cooley spruce gall adelgid Adelges cooleyi female with egg mass
1325028 cooley spruce gall adelgid Adelges cooleyi overwintered female on twig
1748049 hemlock woolly adelgid Adelges tsugae
1201013 balsam woolly adelgid Adelges piceae 8-24-56 at Wind River Arboretum
1241564 cooley spruce gall adelgid Adelges cooleyi Galls on branch tips contain developing nymphs. Opened galls are red-brown, turning gray with age, and resemble small cones.
0488057 spruce gall adelgid Pineus similis on spruce
5125064 hemlock woolly adelgid Adelges tsugae Showing sparse, shortened foliage.
5125066 hemlock woolly adelgid Adelges tsugae Showing damage resulting from 2-3 year old infestation.
1468270 balsam woolly adelgid Adelges piceae
1400134 periodical cicada Magicicada septendecim Branch flagging due to oviposition damage on oak, central Iowa, 1997 brood of cicada.
1400136 periodical cicada Magicicada septendecim Branch flagging (death) due to oviposition wounds on twigs, periodical cicada 1997 emergence brood, central Iowa.
5125065 hemlock woolly adelgid Adelges tsugae Showing damage resulting from 2-3 year old infestation.
2110035 hemlock woolly adelgid Adelges tsugae Photo taken in Rabun County, Georgia
1344039 balsam woolly adelgid Adelges piceae Needle mortality
1293001 hemlock woolly adelgid Adelges tsugae Adelgids feed near the base of hemlock needles. Photo taken in lab at Clemson University - sample from Oconee County, SC.
0907021 cooley spruce gall adelgid Adelges cooleyi on douglas fir, under flocculence Note:syrphid fly larva preying on adelgids
2512015 periodical cicada Magicicada septendecim Emergence series, see images 2512015 - 2512018. 2004 Brood X.
1246053 cooley spruce gall adelgid Adelges cooleyi Galls on heavily infested tree
1400135 periodical cicada Magicicada septendecim ovipositing damage
2512016 periodical cicada Magicicada septendecim Emergence series, see images 2512015 - 2512018. 2004 Brood X.
2512017 periodical cicada Magicicada septendecim Emergence series, see images 2512015 - 2512018. 2004 Brood X.
1344004 balsam woolly adelgid Adelges piceae
1626088 cooley spruce gall adelgid Adelges cooleyi
1276003 hemlock woolly adelgid Adelges tsugae With wax removed
5430553 eastern spruce gall adelgid Adelges abietis
5430558 eastern spruce gall adelgid Adelges abietis
5430559 eastern spruce gall adelgid Adelges abietis
5430560 eastern spruce gall adelgid Adelges abietis
2110026 hemlock woolly adelgid Adelges tsugae
5430564 eastern spruce gall adelgid Adelges abietis
5430561 eastern spruce gall adelgid Adelges abietis
5430563 eastern spruce gall adelgid Adelges abietis
5430554 eastern spruce gall adelgid Adelges abietis
5430555 eastern spruce gall adelgid Adelges abietis
5430556 eastern spruce gall adelgid Adelges abietis
5430557 eastern spruce gall adelgid Adelges abietis
5427668 hemlock woolly adelgid Adelges tsugae
1276001 hemlock woolly adelgid Adelges tsugae Ovisacs on the underside of a branch
1380194 hemlock woolly adelgid Adelges tsugae
5395241 balsam woolly adelgid Adelges piceae
5395246 cooley spruce gall adelgid Adelges cooleyi
5395256 pine leaf adelgid Pineus pinifoliae
5395260 spruce gall adelgid Pineus similis
5395245 balsam woolly adelgid Adelges piceae
2110029 hemlock woolly adelgid Adelges tsugae
2512021 periodical cicada Magicicada septendecim Mating. 2004 Brood X.
1325033 eastern spruce gall adelgid Adelges abietis
1748037 balsam woolly adelgid Adelges piceae
1346072 hemlock woolly adelgid Adelges tsugae
1346069 hemlock woolly adelgid Adelges tsugae
1346071 hemlock woolly adelgid Adelges tsugae
5125061 hemlock woolly adelgid Adelges tsugae Showing damage resulting from 2-3 year old infestation. See image #1346067 for image of 1 year old infestation.
1346067 hemlock woolly adelgid Adelges tsugae
2253069 balsam woolly adelgid Adelges piceae note characteristic white of tree bole
0590100 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
1587070 balsam woolly adelgid Adelges piceae Balsam woolly adelgid on subalpine fir, infestation and mortality at edge of avalanche chute
1587165 hemlock woolly adelgid Adelges tsugae Hemlock woolly adelgids on containerized western hemlock seed orchard in greenhouse
1344137 hemlock woolly adelgid Adelges tsugae Tree IV plug that remains in place once injection treatment is finished
0355015 hemlock woolly adelgid Adelges tsugae
1344115 balsam woolly adelgid Adelges piceae Taking DBH of one of our long-term monitoring firs
0886019 periodical cicada Magicicada septendecim Oviposition slits
1274023 periodical cicada Magicicada septendecim Emergence sequence.  2004. See pictures 1274019-1274026 for complete sequence.
1346068 hemlock woolly adelgid Adelges tsugae
5125063 hemlock woolly adelgid Adelges tsugae Damage resulting from a 2-3 year old infestation.
5125062 hemlock woolly adelgid Adelges tsugae Showing damage resulting from a 2-3 year old infestation. See image #1346067 for image of 1 year old infestation.
1346070 hemlock woolly adelgid Adelges tsugae
1344047 hemlock woolly adelgid Adelges tsugae Tree injection
1380196 hemlock woolly adelgid Adelges tsugae
1380197 hemlock woolly adelgid Adelges tsugae
1380195 hemlock woolly adelgid Adelges tsugae
1380193 hemlock woolly adelgid Adelges tsugae
1293010 hemlock woolly adelgid Adelges tsugae Crown dieback on hemlock is the result of at least 2 years of attack from hemlock woolly adelgid.
1380192 hemlock woolly adelgid Adelges tsugae
0717011 cooley spruce gall adelgid Adelges cooleyi Note the long needles on the gall itself.
1748036 balsam woolly adelgid Adelges piceae
2110034 hemlock woolly adelgid Adelges tsugae
2110027 hemlock woolly adelgid Adelges tsugae
2110033 hemlock woolly adelgid Adelges tsugae
2110030 hemlock woolly adelgid Adelges tsugae
2110028 hemlock woolly adelgid Adelges tsugae
2110031 hemlock woolly adelgid Adelges tsugae
0907022 eastern spruce gall adelgid Adelges abietis old galls found at the base of new shoots. Note: twig tip mortality
0907023 spruce gall adelgid Pineus similis galls form at the end of new growth and are often covered with needles making twigs appear scraggly
1366055 periodical cicada Magicicada septendecim
1748043 balsam woolly adelgid Adelges piceae
1344121 hemlock woolly adelgid Adelges tsugae Tree IV for systemic insecticide
1344114 balsam woolly adelgid Adelges piceae Heavy tree mortality
1476091 cooley spruce gall adelgid Adelges cooleyi overwintered female with eggmass
1476092 cooley spruce gall adelgid Adelges cooleyi mature female on douglas fir needles
5391811 hemlock woolly adelgid Adelges tsugae
5391810 hemlock woolly adelgid Adelges tsugae
5042006 eastern spruce gall adelgid Adelges abietis Galls on white spruce
5422256 cooley spruce gall adelgid Adelges cooleyi Late stage nymphs exposed within gall chambers
5422254 cooley spruce gall adelgid Adelges cooleyi Gall with oozing at openings just prior to emrgence of adult forms of the cooley spruce gall adelgid
5422255 cooley spruce gall adelgid Adelges cooleyi late stage nymphs exposed within gall chambers
5395117 hemlock woolly adelgid Adelges tsugae
5395118 hemlock woolly adelgid Adelges tsugae
5383233 periodical cicada Magicicada septendecim Top view of newly emerged adult. Older, darker color
1523054 hemlock woolly adelgid Adelges tsugae
0717006 cooley spruce gall adelgid Adelges cooleyi Spruce trees growing in close association with Douglas-fir often have the Cooley Spruce Gall Adelgid. In this slide, the Douglas-fir is on the left; Norway spruce is on the right.
0718057 hemlock woolly adelgid Adelges tsugae
5382303 periodical cicada Magicicada septendecim egg laying scars
5382304 periodical cicada Magicicada septendecim 17-year periodical cicada damage. Flagging.
5382305 periodical cicada Magicicada septendecim Cicadas prepared for eating
5382306 periodical cicada Magicicada septendecim
5382307 periodical cicada Magicicada septendecim adults emerging and crawling up iris leaves
5382308 periodical cicada Magicicada septendecim adult cicada emerging from cast skin
5383232 periodical cicada Magicicada septendecim Newly emerged adult, wings fully expanded. Still light in color
5383230 periodical cicada Magicicada septendecim Adult emerging from nymphal shell
5383231 periodical cicada Magicicada septendecim Newly emerged adult, beginning to inflate wings. Still light in color
5383234 periodical cicada Magicicada septendecim Side view of newly emerged adult on nymphal shell.
5383235 periodical cicada Magicicada septendecim Oak trees in pasture with flagging damage
5383237 periodical cicada Magicicada septendecim Closeup of eggs in twig.
5383238 periodical cicada Magicicada septendecim Closeup of eggs in twig.
5383239 periodical cicada Magicicada septendecim Cicada eggs on penny to show size.
5383240 periodical cicada Magicicada septendecim Nymph just prior to emergence of adult.
5383241 periodical cicada Magicicada septendecim Closeup of oviposition site on twig.
5383242 periodical cicada Magicicada septendecim
5383243 periodical cicada Magicicada septendecim Close up of oviposition site on twig
0758020 cooley spruce gall adelgid Adelges cooleyi Green gall with nymphs
1294004 periodical cicada Magicicada septendecim June 2006
1294003 periodical cicada Magicicada septendecim 2006
1294001 periodical cicada Magicicada septendecim June 2006
1294002 periodical cicada Magicicada septendecim 2006
5369749 cooley spruce gall adelgid Adelges cooleyi Dred galls on Colorado blue spruce
5369748 cooley spruce gall adelgid Adelges cooleyi Infestation on Douglas-fir cone
5360705 cooley spruce gall adelgid Adelges cooleyi Galls on blue spruce branches, typical of infestation by the cooley spruce gall adelgid (Adelges cooleyi).
0758233 balsam woolly adelgid Adelges piceae Oblique color infrared aerial photo of tree mortality caused by balsam woolly adelgid, Roan Mountain, NC and TN.
1520081 hemlock woolly adelgid Adelges tsugae
1520082 hemlock woolly adelgid Adelges tsugae
0758232 balsam woolly adelgid Adelges piceae Oblique color aerial photo of trees dying as a result of balsam woolly adlegid infestation, Roan Mountain, NC and TN.
1520083 hemlock woolly adelgid Adelges tsugae HWA on hemlock needles
1510051 balsam woolly adelgid Adelges piceae Gouting of Frasier fir from balsam wooly adelgid
1510086 balsam woolly adelgid Adelges piceae Balsam wooly adelgid caused mortality
5188003 pine leaf adelgid Pineus pinifoliae Aphids within gall
5188004 pine leaf adelgid Pineus pinifoliae Old gall
5188005 pine leaf adelgid Pineus pinifoliae Current season gall
5188015 cooley spruce gall adelgid Adelges cooleyi Overwintered female. Photograph taken March 26, 2007
0718044 cooley spruce gall adelgid Adelges cooleyi
2167006 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167007 balsam woolly adelgid Adelges piceae gout on Fraser fir
2167009 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167010 hemlock woolly adelgid Adelges tsugae Decline and mortality caused by hemlock wolly adelgid,
2167012 hemlock woolly adelgid Adelges tsugae Decline and mortality,
2167016 hemlock woolly adelgid Adelges tsugae Infested foliage
2167017 hemlock woolly adelgid Adelges tsugae Infested foliage
2167018 hemlock woolly adelgid Adelges tsugae Infested foliage
2167019 hemlock woolly adelgid Adelges tsugae Infested foliage,
2167023 hemlock woolly adelgid Adelges tsugae Infested foliage
3036038 balsam woolly adelgid Adelges piceae Parking lot at Mt. Mitchel from visitor tower
5017089 hemlock woolly adelgid Adelges tsugae Biological Control Beetle release in Pennsylvania
5018076 hemlock woolly adelgid Adelges tsugae
5022094 hemlock woolly adelgid Adelges tsugae suppression, 2005
5022095 hemlock woolly adelgid Adelges tsugae
5022096 hemlock woolly adelgid Adelges tsugae
5023002 hemlock woolly adelgid Adelges tsugae
5019011 periodical cicada Magicicada septendecim
5019012 periodical cicada Magicicada septendecim emergence holes and dead adults
5019013 periodical cicada Magicicada septendecim larva just before emergence
5019014 periodical cicada Magicicada septendecim
5019015 periodical cicada Magicicada septendecim
5019016 periodical cicada Magicicada septendecim
5018078 hemlock woolly adelgid Adelges tsugae
5018069 hemlock woolly adelgid Adelges tsugae
5018072 hemlock woolly adelgid Adelges tsugae no new growth
5018074 hemlock woolly adelgid Adelges tsugae Newly settled larvae
5018075 hemlock woolly adelgid Adelges tsugae
5018062 cooley spruce gall adelgid Adelges cooleyi
5050024 cooley spruce gall adelgid Adelges cooleyi
5050025 cooley spruce gall adelgid Adelges cooleyi
5050026 cooley spruce gall adelgid Adelges cooleyi
2181084 balsam woolly adelgid Adelges piceae
2182033 spruce gall adelgid Pineus similis gall
2182034 spruce gall adelgid Pineus similis
5027034 hemlock woolly adelgid Adelges tsugae treatment with Ima-Jet system using imidachloprid
1510054 hemlock woolly adelgid Adelges tsugae Ground spray equipment used for control of balsam woolly adelgid, Mt. Mitchell State Park, NC, ca 1961.
5004096 balsam woolly adelgid Adelges piceae
5004099 balsam woolly adelgid Adelges piceae
5004100 balsam woolly adelgid Adelges piceae
1458079 balsam woolly adelgid Adelges piceae
1458105 balsam woolly adelgid Adelges piceae
2109076 periodical cicada Magicicada septendecim The skin splits and the adult insect appears. The red eyes immediately identify this cicada as a periodical.
2109077 periodical cicada Magicicada septendecim shows the developing wings. Note the friendly harvestman on the leaf above the cicadas.
2109079 periodical cicada Magicicada septendecim another cicada nymph’s skin begins to split at the head capsule as harvestman attacks
2109080 periodical cicada Magicicada septendecim harvestman feeding on cicada
2109083 periodical cicada Magicicada septendecim The fully developed adult, ready to fly and find a mate.
1394077 pine leaf adelgid Pineus pinifoliae
2512019 periodical cicada Magicicada septendecim Emergence holes. 2004 Brood X.
2512020 periodical cicada Magicicada septendecim Empty larval cases. 2004 Brood X.
2512011 periodical cicada Magicicada septendecim 2004 Brood X. Flagging.
2512012 periodical cicada Magicicada septendecim 2004 Brood X. Empty larval cases
2512013 periodical cicada Magicicada septendecim in twigs. 2004 Brood X.
2512014 periodical cicada Magicicada septendecim Ovipositing scar. 2004 Brood X
1123019 cooley spruce gall adelgid Adelges cooleyi nymph on needle at budbreak, Spring 2002
1344053 hemlock woolly adelgid Adelges tsugae Soil injection of imidacloprid
1344056 hemlock woolly adelgid Adelges tsugae Soil drenching hemlocks with imidacloprid
1344057 hemlock woolly adelgid Adelges tsugae Soil drenching hemlocks with imidacloprid
1344045 hemlock woolly adelgid Adelges tsugae Stem injections of a systemic insecticide
1344030 balsam woolly adelgid Adelges piceae Spraying trees
1344143 hemlock woolly adelgid Adelges tsugae Tree IV
1344147 hemlock woolly adelgid Adelges tsugae Tree IV
1344080 hemlock woolly adelgid Adelges tsugae ATV spray unit used for treating hemlocks with soap
1344138 hemlock woolly adelgid Adelges tsugae Tree IV injector
1344150 hemlock woolly adelgid Adelges tsugae Marking a hemlock that has been treated by Tree IV
1344028 hemlock woolly adelgid Adelges tsugae Spray Unit used for hemlock trees, up to around 80 ft. tall.
1344061 hemlock woolly adelgid Adelges tsugae Marking a hemlock that has been treated by soil drenching
1344064 hemlock woolly adelgid Adelges tsugae Raking leaf litter and loam away from a hemlock, so it can be treated by soil drenching
1344002 hemlock woolly adelgid Adelges tsugae Spraying insecticidal soap
1344003 hemlock woolly adelgid Adelges tsugae Spraying insecticidal soap
1344018 hemlock woolly adelgid Adelges tsugae Using a backpack sprayer and insecticidal soap for hemlocks
1344020 hemlock woolly adelgid Adelges tsugae Slip-on spray unit used to treat hemlocks up to around 50 ft.
1748044 balsam woolly adelgid Adelges piceae
1748041 balsam woolly adelgid Adelges piceae
1748042 balsam woolly adelgid Adelges piceae
1748040 balsam woolly adelgid Adelges piceae
1274024 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1274025 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1274026 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1274027 periodical cicada Magicicada septendecim Adults swarming
1274056 periodical cicada Magicicada septendecim Mating
1274019 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1274020 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1274021 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1274022 periodical cicada Magicicada septendecim Emergence sequence. Maryland, 2004. See pictures 1274019-1274026 for complete sequence.
1254058 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1510011 hemlock woolly adelgid Adelges tsugae closeup
1241744 balsam woolly adelgid Adelges piceae
1325029 cooley spruce gall adelgid Adelges cooleyi overwintering form in late winter
1325031 cooley spruce gall adelgid Adelges cooleyi needle twisting associated with Douglas-fir
1325032 cooley spruce gall adelgid Adelges cooleyi
1325034 cooley spruce gall adelgid Adelges cooleyi nymphs and wax-coated honeydew droplets within gall
1325036 cooley spruce gall adelgid Adelges cooleyi newly hatched nymphs settled at base of newly emerging spruce needles
1325024 cooley spruce gall adelgid Adelges cooleyi overwintered female on twig
1325025 cooley spruce gall adelgid Adelges cooleyi symptoms of injury within week of initial infestation of terminal growth
1325026 cooley spruce gall adelgid Adelges cooleyi within spruce gall
1325027 cooley spruce gall adelgid Adelges cooleyi winged adults emerging from spruce gall
1325040 pine leaf adelgid Pineus pinifoliae galls on spruce
0795074 balsam woolly adelgid Adelges piceae on Richland balsam at Mt. Mitchell
0590099 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
0364001 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
0014100 balsam woolly adelgid Adelges piceae note regeneration at Mt. Mitchell
1430170 periodical cicada Magicicada septendecim mating
1430168 periodical cicada Magicicada septendecim
1430169 periodical cicada Magicicada septendecim
1201014 balsam woolly adelgid Adelges piceae 8-17-63 RGM
1201015 balsam woolly adelgid Adelges piceae gouts, W. Gay, K. Wright - Jan. 1957
3227014 balsam woolly adelgid Adelges piceae at Clingman's Dome
3227015 balsam woolly adelgid Adelges piceae at Mt. Mitchell, North Carolina
2252066 balsam woolly adelgid Adelges piceae close-up
2254052 balsam woolly adelgid Adelges piceae on subalpine fir
2254041 cooley spruce gall adelgid Adelges cooleyi galls on spruce
1748045 hemlock woolly adelgid Adelges tsugae
1748038 balsam woolly adelgid Adelges piceae
1669001 periodical cicada Magicicada septendecim
1669003 periodical cicada Magicicada septendecim oviposition damage
1678062 balsam woolly adelgid Adelges piceae gouting damage
1678065 cooley spruce gall adelgid Adelges cooleyi gall on engelmann spruce
0907020 cooley spruce gall adelgid Adelges cooleyi gall
0488055 hemlock woolly adelgid Adelges tsugae
0488036 periodical cicada Magicicada septendecim ovipositioning slits on stem
0488037 periodical cicada Magicicada septendecim ovipositioning slits on stem

Page: